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Measures of dispersion・Form 6 maths

Box-and-whisker diagram

A standard method from Measures of dispersion: the steps.

Steps

Five numbers: minimum, Q₁, median, Q₃, maximum. The box is Q₁ to Q₃; the whiskers go to the minimum and maximum.

Want to check an answer? Standard deviation calculator shows every step.

For the whole topic, read Measures of dispersion: key points, common mistakes and how the DSE tests it.

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